Although slowly recovering from a serious bacterial infection that hospitalised her last week, Madonna is still 'weak and very tired.' The infection, that forced the 64 year old star to delay her upcoming Celebration Tour, has left the star bedridden with doubts hanging over when she will be able to kickstart her extended 84-day tour, which was due to begin next week on July 15 in Vancouver.The US singing legend ended up in intensive care after ignoring signs of feeling unwell during her tour rehearsals. Just four days earlier, the star was already getting extremely excited for the 40th anniversary tour, sharing an insight into rehearsals.